n. 實(shí)踐知識； 技術(shù)秘訣； 訣竅
If you're in the pool, you must know the ropes. 如果你想要賭錢就得懂訣竅。
I gave her a tip on how to concoct a new kind of soup. 我教她配制一種新湯的訣竅。
