put a jerk into it

• 使劲干； 努力干

put a jerk into it的用法和样例：

例句

1. You're just coasting,it's time to work hard now.
   你根本是在应付，现在该努力干了。
2. Pour it on, guys, and we'll soon have the work done!
   努力干，伙计们，我们很快就要把活干完了！