"whitewater rafting is not for the timid"
"stood in the doorway diffident and abashed" "problems that call for bold not timid responses" "a very unsure young man"
"faint heart ne'er won fair lady"
timid是什么意思
timidity是什么意思
timidly是什么意思
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timing是什么意思
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timpanist是什么意思