是
HSK 1#4 by frequencyradical 日
to be (followed by substantives only); correct; right; true; (respectful acknowledgement of a command) very well; (adverb for emphatic assertion)
Examples
是。
是!
Part of the HSK 1 word list.
Learn 是 the way it sticks: in sentences built from words you already know, scheduled so you review right before you'd forget.
Start your free weekDefinitions adapted from CC-CEDICT (CC BY-SA 4.0, modified). Example sentences from Tatoeba (CC BY 2.0 FR). Frequency ranks from the BCC corpus. Full credits on the Attributions page.