[英][fr?m taim tu: taim][美][fr?m ta?m tu ta?m]
不時，偶爾，間或; 時而;
以上結果來自金山詞霸
例句:
1.
Even the most self-confident among us will experience doubt from time to time.
即使是我們中最自信的人仍然會不時經受懷疑。
2.
Multiple ash layers suggest that eruptions killed countless animals from time to time.
壹層又壹層的火山灰預示著火山爆發不時帶走無數動物的生命。