fluctuate undulate unstable
Farming has been an up - and - down industry.
务农一直是起伏不定的行业。
—— 辞典例句I´ve been on an emotional roller-coaster since I´ve been here.
自从我到了这里,情绪就起伏不定。
—— 柯林斯例句The junk market has been unsettled for the past seven months.
过去7个月中废旧货市场一直起伏不定。
—— 柯林斯例句Inside, she was a maelstrom of churning emotions.
她心中的情感似波涛汹涌,起伏不定。
—— 柯林斯例句Interest rates began to gyrate up towards 20 per cent in 1980 and then down and up again.
1980年利率开始攀升至20%,随后又起伏不定。
—— 柯林斯例句