tip off

基本解釋

Looks can be deceiving, but it got me to wondering if there are certain nuances of a guy's place that tip off that he's single.
眼睛是可能被欺騙的，但這使我好奇起來：是否在男生們住的地方真有一些細微的差別來泄露他們是否單身呢？
Perhaps the tip-off on applying the Garrison insight is the common attitude of Smith and the physiocrats on usury laws.
我們或許可以從斯密和重農學派對于反高利貸法的同樣態(tài)度來理解加里森的觀點。
After a tip-off police tracked down 30-year-old Conrad Zdierak - trouble was though he was white.
據(jù)線報，警方逮捕了30歲的康納德德拉克——但問題是，他是個白人。

Male circumcision is the cutting off of a small amount of skin from the tip of the penis.
What's a tip off to something being composite?
怎么能確定什么東西是合成的呢？
耶魯公開課 - 死亡課程節(jié)選
You might ask though,is there some other behavior, something else that should tip us off,could tip us off, as to whether or not we really do or don't believe that we're going to die?
你可能會問，有沒有其他行為，能夠讓我們突然醒悟，知道我們真正是否相信自己會死呢？
耶魯公開課 - 死亡課程節(jié)選

It also allows it to tip off users to traffic jams, road construction and other obstacles.
FORBES: A Crowd-Sourced Navigation Service

If someone tips you off, they give you information about something that has happened or is going to happen.