List: HSK 4

1. to accumulate, to build up, to amass (over time)
2. accumulation, build-up

1. naughty, mischievous, cheeky (usually referring to children)

1. to participate in, to take part in, to be involved in
2. participation, involvement

More formal than 參加.

1. opposite, contrary, reverse
2. on the contrary, conversely

1. sour, tart, acidic (taste)
2. acid (chemistry)
3. to feel sore, to ache
4. jealous, envious, sarcastic, bitter, cynical (informal)

1. failure, defeat, lack of success
2. to fail, to be defeated, to be unsuccessful

1. surgery, surgical operation, medical procedure

1. intelligence, intellect, mental ability
2. intellectual capacity, cognitive ability

See also 智商.

1. to persuade, to convince
2. persuasion, convincing

1. professor, university lecturer
2. to teach, to instruct