Jīng / lì / le / jǐ / gè / yuè / de / dī / gǔ / hòu / tā / de / qíng / xù / kāi / shǐ / chù / dǐ / huí / shēng经历了几个月的低谷后,他的情绪开始触底回升。After several months in a slump, his mood began to recover from its lowest point.