to ask; to enquire; to inquire; to search; to look for; to look into
to incline one's head to the side (in doubt); to tilt one's head to the side (in confusion); to be puzzled
to listen repeatedly; to listen again; to ask a question in return; to ask again; to ask for a repeated explanation
with a start; in surprise; suddenly (realize, remember, etc.); all of a sudden; puffing (air); with a puff
various; all sorts of; variety of; (arch.) various colors (colours)
to teach; to instruct; to tell; to inform; to preach
everyone; anyone; no one; nobody
once; one time; one round; one game; one bout; one heat
single; simple; singles (tennis, badminton, etc.); win bet (bet which predicts the winner of a race)
surprise; astonishment; wonder; amazement
medium; average; moderation; middle school; China; volume two (of three); during (a certain time when one did or is doing something)
to resound; to echo; to reverberate
with the exception of; excepting; excluding
dweller; inhabitant; resident; user (of a website)
absence; being away from home; house-sitting; house-sitter; being left unattended to (of one's studies, etc.); neglecting
no problem; all right; not an issue; unobjectionable
to be ...-ing; to have been ...-ing
machine; mechanism; instrument; appliance; apparatus
voice; speech; sound of a voice; sound (e.g. of a TV)
leveling up; raising the level (of); boosting; improving; improvement; rising to the next level
dissatisfaction; discontent; displeasure; complaint; unhappiness
appearing that; seeming that; looking like; having the appearance of
everyone; everybody; all; everything; all
after this; henceforth; henceforward; from now on
incidentally; taking the opportunity; while (you) are at it; on the occasion
important; momentous; essential; principal; major
surely; certainly; without doubt
to sleep (lying down); to go to bed; to lie in bed; to lie down; to sleep (with someone, i.e. have intercourse); to lie flat (e.g. of hair); to lie idle (of funds, stock, etc.)
restoration; rehabilitation; recovery; recovery (from an illness); recuperation; convalescence
biggest; greatest; largest; maximum
that is to say; that is; in short; in brief; clogging; obstruction; shrinkage
one day; all day (long); throughout the day; first day of the month
calculation; reckoning; count; forecast
to change; to be transformed; to move to; to be different; to be uncommon
via; through; by doing; by means of; using
day; days; sun; sunshine; (the) day; daytime; date
to step over; to step across; to stride over; to stretch over; to span; to bridge