Question

overt 【overt】adj. 公然的；明显的I know only his overt reasons for refusing; he may have others.我只知他拒绝的表面理由；也许还有其他的。

Accepted Answer

[oʊ'vɜːrt] 
overtopen and observable; not secret or hidden
Overt means open and done in plain sight. An overt attempt to get your teacher off-track might fail. Instead, try asking subtle questions about her kids, and she'll stay off topic all class.
If you speak French, remember that overt is the same as the French ouvert "open." If you don't speak French, give up all hope of ever learning this word. Just kidding –– forgive the overt attempt at humor. English speakers, here's your trick for remembering the difference between overt and covert: overt = "open," covert = "covered."
All forms of 'overt' will appear on average once every 3304 pages.overtovertly

Front	overt
Pron	[oʊ'vɜːrt]
Back	【overt】 adj. 公然的；明显的 I know only his overt reasons for refusing; he may have others. 我只知他拒绝的表面理由；也许还有其他的。
Vocab	overtopen and observable; not secret or hidden Overt means open and done in plain sight. An overt attempt to get your teacher off-track might fail. Instead, try asking subtle questions about her kids, and she'll stay off topic all class. If you speak French, remember that overt is the same as the French ouvert "open." If you don't speak French, give up all hope of ever learning this word. Just kidding –– forgive the overt attempt at humor. English speakers, here's your trick for remembering the difference between overt and covert: overt = "open," covert = "covered." All forms of 'overt' will appear on average once every 3304 pages. overt overtly

Overt Open Attempt Speak French Covert Oʊ'Vɜːrt Adj