the thought of how much work she had to do discou

the thought of how much work she had to do discouraged her and at lastshegave up.求翻译讲解

the thought of how much work she had to do /discouraged/ her// and at last she gave up
总体是并列句，大致是 那想法让她很丧气，然后她放弃了。
想法带了个定语----她到底要做多少工作的想法。全句为：
到底有多少活儿要干？她丧气的想着这事儿，最终她放弃了。