便宜行事 (biàn yì xíng shì) | Meaning: act at one's discretion | Chinese Idiom with Pinyin & Origin

see the opportunity and act (idiom); to act according to circumstances · to play it by ear · to use one's discretion见机行事jiàn jī xíng shì

to change according to the situation (idiom); pragmatic随机应变suí jī yìng biàn

quick-witted · resourceful机智jī zhì

act at one's discretion · act as one sees fit