5 sentences

1. 鱼儿不时跃出水面。

   yú'ér bù​shí yuè chū shuǐ​miàn.

   Fish leap out of the water from time to time.

   Source: Dong Chinese Dictionary

2. 窗外不时传来阵阵欢笑声。

   chuāng wài bù​shí chuán​lái zhèn​zhèn huān​xiào​shēng.

   Bursts of laughter could be heard from outside the window from time to time.

   Source: Dong Chinese Dictionary

3. 他走在路上，不时回首张望。

   tā zǒu zài lù​shang, bù​shí huí​shǒu zhāng​wàng.

   He walked along the road, looking back from time to time.

   Source: Dong Chinese Dictionary

4. 剧场里不时传出一阵阵爆笑。

   jù​chǎng lǐ bù​shí chuán​chū yī zhèn​zhèn bào​xiào.

   Bursts of laughter could be heard from the theater from time to time.

   Source: Dong Chinese Dictionary

5. 悠长的小巷深处，不时传来阵阵清脆的铃声。

   yōu cháng de xiǎo​xiàng shēn​chù, bù​shí chuán​lái zhèn​zhèn qīng​cuì de líng​shēng.

   From deep within the long alley, clear ringing sounds could be heard from time to time.

   Source: Dong Chinese Dictionary