2 sentences for 了事 (liǎo​shì — finish)

1. 他总是敷衍了事，从不认真对待工作。

   tā zǒng​shì fū​yǎn liǎo​shì, cóng bù rèn​zhēn duì​dài gōng​zuò.

   He always does things perfunctorily and never takes his work seriously.

   Source: Dong Chinese Dictionary

2. 他做工作总想快点儿了事，从来不讲究质量。

   tā zuò gōng​zuò zǒng xiǎng kuài diǎn r liǎo​shì, cóng​lái bù jiǎng​jiu zhì​liàng.

   He always wants to get the job over with quickly, never caring about quality.

   Source: Dong Chinese Dictionary