tā / cóng / xiǎo / xué / xí / bèi / sī / xiàn / zài / yǐ / jīng / néng / cān / jiā / zhuān / yè / yǎn / chū / le

他从小学习贝司，现在已经能参加专业演出了。

He has studied bass since childhood and can now perform professionally.