energy drink; nutritional supplement drink; vitamin drink
mission; errand; task; duty; obligation
(bulge of one's) biceps; zeal; effort; enthusiasm
to have a cramp; to twitch; to stiffen (of a face, expression); to freeze; to shrink (of skin, due to a scar); to tauten
to turn over; to turn (pages); to leaf through (a book, etc.); to tear off; to strip off; to take off
to track down; to locate; to find out; to smoke out; to ferret out; to chase up
perplexity; difficult question; difficult problem
simultaneous equations; system of equations
throw; throwing; resigning (a game of shogi, go, etc.); giving up; selling at a loss; sell-off
how much; something over; and something; however (much); no matter how
on the one hand ... (and on the other ...); on one side
failure; defective article; dead loss; good-for-nothing; worthless person; flop
to take (preventive) measures; to come to an agreement (in bargaining, etc.); to strike a bargain; to clap one's hands together
lapse of memory; forgetting completely; (consigning to) oblivion
erasure; deletion; elimination (of variables); extinction
erasure; striking off; crossing out; cancellation; deletion
to learn by experience; to learn one's lesson; to learn the hard way; to be discouraged (by); to have enough (of); to be disgusted (with)
for some reason or other; somehow or other; by some chance
weir; bonds; fetters; ties of obligation
sorting; arrangement; liquidation; settlement; retrenchment; curtailment
halfway; half measures; unfinished; incomplete; by halves; half-baked
to start a journey; to embark on a trip; to set forth; to hit the trail
reason for being; raison d'être
to descend; to go down; to be handed down (of an order, judgment, etc.); to pass (of time); to surrender; to capitulate; to be less than
rattling; clattering; trembling; shivering; whining; grumbling
to omit; to leave out; to overtake; to pass; to say; to speak
son (of others); boy; young master; young man innocent of the ways of the world; man of pampered upbringing; greenhorn (from a well-off family)
what did you just say (to me)?; what's that?
first world problem; good problem to have
more than one can possibly use; countless (e.g. examples); (money) to burn; rolling in (cash)
weak person; the weak; vulnerable person; disadvantaged person
trouble; troubles; worry; distress; sorrows; anguish
trouble; quarrel; difficulties; complication; tangle
without showing any sign of; without giving the slightest indication of; without saying anything of; without breathing a word of
value to society; raison d'être; existence value
destination; place one stays during a trip
eldest son (may be the only son); first-born son
self-indulgent; undisciplined; slovenly; debauched; negligent
to miss one's footing; to be off the right track; to be on the wrong path
service; duty; business; Buddhist religious services