tough cookie
US /tʌf ˈkʊki/
UK /tʌf ˈkʊki/
1.
硬骨頭, 堅強的人
a person who is strong and determined, and not easily intimidated or defeated
:
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She's a tough cookie, she won't let a little setback stop her.
她是個硬骨頭，不會讓一點挫折就打倒她。
•
You have to be a tough cookie to succeed in this competitive industry.
你必須是個硬骨頭才能在這個競爭激烈的行業中取得成功。