tā / huàn / le / jǐ / fèn / gōng zuò / què / méi yǒu / zǒng jié / jīng yàn / zuò shì / hái shi / bù zhǎng jìn

他换了几份工作，却没有总结经验，做事还是不长进。

He has changed jobs several times but never learned from his experience, so he still has not improved in the way he handles things.