4 sentences

1. 这个数列是收敛的。

   zhè gè shù​liè shì shōu​liǎn de.

   This sequence is convergent.

   Source: Dong Chinese Dictionary

2. 太阳收敛了它灿烂的光芒。

   tài​yang shōu​liǎn le tā càn​làn de guāng​máng.

   The sun withdrew its brilliant rays.

   Source: Dong Chinese Dictionary

3. 他在公共场合收敛了自己的脾气。

   tā zài gōng​gòng chǎng​hé shōu​liǎn le zì​jǐ de pí​qi.

   He restrained his temper in public.

   Source: Dong Chinese Dictionary

4. 这种洗面奶具有收敛毛孔的功效。

   zhè zhǒng xǐ​miàn​nǎi jù​yǒu shōu​liǎn máo​kǒng de gōng​xiào.

   This facial cleanser has a pore-tightening effect.

   Source: Dong Chinese Dictionary