"look up and down" in Chinese (Simplified)
上下打量
Definition
用眼睛缓慢地从某人的头一直看到脚，通常是为了观察或评判对方的外貌或穿着。
Usage Notes (Chinese (Simplified))
强调带有评判、好奇或吸引的目光。在不同场合可能是中性、贬义或友好的。常与“某人”搭配使用（如“She looked him up and down”）。不要与“look up”（查找）、“look down”（向下看）混淆。
Examples
She looked him up and down before answering.
她在回答前先把他**上下打量**了一番。
The teacher looked the class up and down in silence.
老师默默地把全班同学**上下打量**了一番。
He looked me up and down with a frown.
他皱着眉头把我**上下打量**了一下。
People always look me up and down when I wear this jacket.
我穿这件夹克时，总有人会**上下打量**我。
She just looked me up and down and walked away without saying a word.
她只是**上下打量**了我一眼，然后什么也没说就走了。
If someone looks you up and down, don't take it personally—maybe they're just curious.
如果有人**上下打量**你，别往心里去，也许他们只是好奇。