if a person or vehicle careers somewhere,they move fast and in an uncontrolled way.
His car careered into a river....
in full career 全速
词根词缀：car ＝load
cargo 船货
carpenter 木匠
carriage 马车，客车，运费
cart 大车，手推车
同义词辨析(作职业解释时)
career profession job work vocation occupation trade employment

profession 指受过高等教育才能获得的职业，尤指从事脑力劳动，受过专门训练，具有某种专业知识地职业，如老师，医生，律师
vocation 正式用词，长期从事，但不一定以此为主计的职业
career 指愿意终身从事的职业。
employment 指领取工资，受雇于他人。
occupation 指任何一种职业，不分行业，不分脑力体力。
job 泛指 一切有收入的工作。