optional; voluntary; arbitrary; arbitrary
nature; natural constitution; innate disposition
to brace one's core (e.g. when carrying something heavy); to bear down; to exert oneself; to push oneself; to pay generously (for); to splurge (on)
destruction; annihilation; extermination
V-shape (battle formation); crane wings
to project; to overhang; to stick out; to put up (a notice); to post
decomposition; putrefaction; putrescence; corruption; degeneracy; decay
remaining bullets; remaining ammunition
dim; hazy; vague; indistinct; faint; fuzzy
body tissue; body composition
smallest (in size, degree, etc.); least; minimum; minimal
character style; character form
bitter experience; misery; distress; grief; sad thoughts; hardship
general; admiral; head; chief; old chap; mate
excess; surplus; exceeding (a limit, estimate, etc.); going over
difference; discrepancy; variation
understanding completely; understanding all there is to know
to be in order; to be organized; to be systematized
shout of victory; cry of triumph
to the utmost; to the best of one's ability
confusion; complications; being gripped by strong feelings; fit (e.g. of anger); moment (e.g. of frustration)
to dump (e.g. onto the floor); to empty by overturning; to throw out (the contents); to tell everything; to open one's heart; to reveal (a secret, the truth, etc.)
worst-ever; history's worst
to go down in history; to be recorded in the history books
no matter what; whatever happens; in any situation; rain or shine
question of where responsibility lies; issue of where liability lies; question of who is responsible
just cause; good reason; pretext; duty (to one's country, sovereign, etc.)
standard-bearer; flag-bearer
wild enthusiasm; being crazy about
news flash; prompt report; bulletin; quick announcement
business conditions; the market; good (economic) times; prosperity; liveliness; energy
pointing up; pointing upward; upturn; uptrend; upward tendency
right or wrong; good or bad; quality; having both merits and demerits; having both advantages and disadvantages
dock; thorough physical examination