借水推船 Origin — Dong Chinese Dictionary

jièshuǐtuīchuán

to use water to push a boat

借 jiè noun

to make use of

to take advantage of an opportunity or situation; to avail oneself of; to rely on
水 shuǐ noun

water

water; a liquid, juice, or lotion
推 tuī verb

to push

to move an object away or forward by applying pressure with the hands or a tool
船 chuán noun

boat

boat; ship; vessel; craft