dive in

US /daɪv ɪn/
UK /daɪv ɪn/
"dive in" picture
1.

投入, 大快朵頤

to start doing something with enthusiasm and without hesitation

:
When the food was served, everyone just dived in.
食物一上桌,大家就大快朵頤
Don't hesitate, just dive in and start learning.
別猶豫了,直接投入學習吧。
2.

跳入水中, 潛水

to enter water headfirst

:
He ran to the edge of the pool and dived in.
他跑到泳池邊,然後跳了進去
The children were excited to dive in and play in the ocean.
孩子們興奮地跳進海裡玩耍。