切当

tā yòng cí qiè dàng

她用词切当。

She has an appropriate use of words.

jǔ zhǐ qiè dàng

举止切当

behave properly

fàn zhe gé mìng jí xìng bìng de tóng zhì men bù qiè dàng de kàn dà le gé mìng de zhǔ guān lì liàng ér kàn xiǎo le fǎn gé mìng lì liàng

犯着革命急性病的同志们不切当地看大了革命的主观力量，而看小了反革命力量。

Comrades who suffer from revolutionary impetuosity overestimate the subjective forces of the revolution and underestimate the forces of the counter-revolution.