watchword
n. 口令；标语；口号；暗号
近义词：countersign，motto，slogan，maxim，byword，catchphrase，saying，catchword，signal，parole，rallyingcry，cry，warcry，battlecry，password，word，
英英释义
Noun
- a slogan used to rally support for a cause;
"a cry to arms" "our watchword will be `democracy'"
- a secret word or phrase known only to a restricted group;
"he forgot the password"
例句
用作名词(n.)
- This seemed to be some watchword or signal that all was right.这大概是表示一切正常的口令或暗号。
- He did not know the watchword.他不知道口令。
- Versatility is the watchword today.多才多艺是这个时代的口号。