Go to Bat for someone(help out and support someone)
Is it true that Don got into some trouble at work last week?
Yes, he did. He was reproached for not turning in his sales reports, but his secretary went to bat for him.
What was she able to do?
She helped him out a great deal by admitting that she had misplaced the reports that he gave her to be typed.
So, it was her fault, not his.
Right.
be reproached for = ~ のことで叱られる
turn in = 提出する
misplace = 置き忘れる
replace = 入れ替える
displace = 追い出す、落ち度