dig in

US /dɪɡ ɪn/
UK /dɪɡ ɪn/
"dig in" picture
1.

大快朵颐, 开吃

start eating enthusiastically

:
The moment the food was served, everyone started to dig in.
食物一上桌,大家就开始大快朵颐
Don't wait for me, just dig in!
别等我了,尽管吃吧
2.

努力工作, 埋头苦干

work hard at something

:
We need to dig in and finish this project by Friday.
我们得努力工作,在周五前完成这个项目。
If you want to succeed, you have to be willing to dig in.
如果你想成功,就必须愿意努力奋斗