Doubt vt.怀疑, 不信, 拿不准(用 that, 往往表示非常怀疑)

-- I doubt the truth of it. 我怀疑它的真实性。

-- I doubt that he will come. 我看他不见得会来。

-- I doubt whether [if] he is at home. 我看他不一定在家。

-- I do not doubt (but) that he can recite it. 我相信他能把它背下来。

-- Can you doubt that he will win? 你不相信他会获胜吗?

-- I doubt what he said. 我不相信他说的话。

Doubtful adj.怀疑的;不信任的

-- It is doubtful that he will come.

Doubtable adj.可疑的, 令人怀疑的

Desert v.(军队中)开小差

-- The soldier deserted his army. 这个士兵开小差。

Desert vt.vi.遗弃, 抛弃, 舍弃(=abandon vt.放弃, 遗弃)

违背法律、道义、责任、信仰

-- desert the army, desert school, desert his duty, desert his family

Abandon vt.抛弃, 舍弃, 离弃(被迫放弃所喜爱的或所负责的东西)

-- He had to abandon his favorite research because of the war.

-- abandon one‘s home 离弃家园

-- He abandoned his wife and went away with all their money.(research n.研究, 调查)

他抛弃了妻子还带走了两人所有的钱。

Forsake vt.(-sook, -saken )