一

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

not worth a penny; utterly worthless

to change shape in a single shake / fig. to take on a new lease of life

a thousand pounds hangs by a thread (idiom) / imminent peril / a matter of life or death

handful (of)

first day of lunar month / New Year's Day / first year in junior middle school

to be unable to find a solution / to be at wits' end

lit. stake a thousand pieces of gold on one throw (idiom); to throw away money recklessly / extravagant

to have the advantage overwhelmingly on one side / to support unconditionally

be plainly visible

(of passing time) in an instant / (of a sight) in a flash

in a spurt of energy

on the one hand

proficiency in a particular field (idiom) / skill in a specialized area (idiom)

to say one and mean just that (idiom); to keep one's word

one in a hundred / cream of the crop

lit. eyes obscured by a single leaf (idiom) / fig. not seeing the wider picture / can't see the wood for the trees

a series of / a string of