3 sentences

1. 由于失业，他近来的生活十分拮据。

   yóu​yú shī​yè, tā jìn​lái de shēng​huó shí​fēn jié jū.

   Due to unemployment, his life has been very financially tight lately.

   Source: Dong Chinese Dictionary

2. 由于失业，他最近的经济状况非常拮据。

   yóu​yú shī​yè, tā zuì​jìn de jīng​jì zhuàng​kuàng fēi​cháng jié jū.

   Due to unemployment, his recent financial situation has been very tight.

   Source: Dong Chinese Dictionary

3. 这两种药物之间存在拮抗作用。

   zhè liǎng zhǒng yào​wù zhī​jiān cún​zài jié kàng zuò​yòng.

   There is an antagonistic effect between these two drugs.

   Source: Dong Chinese Dictionary