have you mastered the word,if so why not write down your sentence by using it to get the score?

desert

vt. 抛弃，舍弃
vi.擅离（职守等）

【搭配】

desert a house 舍弃房屋
desert the baby after giving birth  生下婴儿后将其抛弃
desert from the army  擅自离开部队

【近义】synonmy

resign     辞去，放弃
discard      丢弃，抛弃
abandoned     抛弃；丢弃

【记忆】When he had to speak his condidence suddenly deserted him.
但他不得不说话时，他突然失去了信心。