打掩护

dǎyǎnhù

provide cover for

* * *

打掩护

dǎ yǎn hù

{军} （在主力部队侧面或后面作战） provide cover for; shield:

为主力部队打掩护 provide cover for the main force

（庇护） lend shelter to; give refuge to:

给坏人打掩护 shield the evildoer