cut sb.a little slack 什么意思

“请多关照”的意思。如果你初次参加某活动或到某集会，你可以说“cut me a little slack please"

cut someone some slack：
to not judge someone as severely as you usually would because they are having problems at the present time。
是放了谁一马的意思

为别人剪了一条很小的裤腿？
给人小鞋穿？