Meaning of suī rán:
suī rán
虽然
Conjunction
although; even though (often used correlatively with 可是[ke3 shi4] or 但是[dan4 shi4] etc)
Suīrán tiānqì hěn lěng, wǒ háishì juédìng qù gōngyuán sànbù.
虽然天气很冷,我还是决定去公园散步。
Although the weather is cold, I still decided to go for a walk in the park.