以
HSK 5#166 by frequencyradical 人
by means of; according to; in order to; because of; to use; at (a certain date or place)
Examples
可以。
所以?
Part of the HSK 5 word list.
Learn 以 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.