我让张岩查一下
“I'll have Zhang Yan check it.”
THE DIALOGUE REEL
“-The suspect is Building 5, 701. -Building 5, 701. Okay, I'll ask Zhang Yan.”
我让张岩 查一下
“I'll have Zhang Yan check it.”
张岩 你在金宝街后边这个东里
“Zhang Yan. Come to the East Lane behind Jinbao Street.”
Direct spoken expression in this communicative setting.
Adding '一下' after a verb is a ubiquitous spoken convention in Chinese that softens the harshness of an order or makes a task sound quick and manageable.
LEARNING CHUNKS & PARTICLES
check briefly / look into it
A very common verb-reduplication pattern using 一下 to soften the action when giving an update or request.