you bit off so big a mouthful that you were unable to chew it.; big mouthfuls often choke.; bite more than one can digest; bite off more than one can chew; have too much on one's plate; if one spreads oneself out too thin, one can achieve little
Example Sentences:
1.
I think he bit off more than he could chew when he took the job . 我认为他接受这工作是贪多嚼不烂。
2.
I think he has too much on his plate right now 我觉得他真的是贪多嚼不烂。