1995年以来，多次不定期地举行。
今天，男朋友说要给我个惊喜般的约会，目的地不定。
Today, my boyfriend took me on a surprise date, destination unknown.
闲适地或不定期地从一个地方到另一个地方，尤指无目的或无固定职业地。
To move leisurely or sporadically from place to place, especially without purpose or regular employment.
她还是糊里糊涂地拿不定主意。
她仍然举棋不定，目光焦虑地望着他的脸。
Thomas HenryHuxley——果断地行动，勇敢地承担后果，踌躇不定干不成任何事。
Act decidedly and take the consequences. No good is ever done by hesitation.
Thomas HenryHuxley——果断地行动，勇敢地承担后果，踌躇不定干不成任何事。
Act decidedly and take the consequences. No good is ever done by hesitation.
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