She is preparing a substantial meal against his return.是什么意思？

She is preparing a substantial meal against his return.

她正在准备一顿丰盛的饭菜为他接风。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

preparing

adj. 准备的，预备的；v. 准备( prepare的现在分词 )，预备（饭菜），配备，使（自己）有准备；

例句
We have been preparing our fighters to adjust themselves to civil society...
我们一直在培训我们的战士，以使他们适应普通的社会生活。

substantial

adj. 大量的，结实的，牢固的，重大的；

例句
Workers in big firms receive a substantial part of their pay in the form of bonuses and overtime.
大公司的员工有相当一部分薪酬来自奖金和加班费。

meal

n. 餐，饭，进餐（时间），〈英〉一次挤奶量，谷物粗粉（用作饲料或加工面粉）；vi. 进餐；

例句
The meal gave the occasion an almost festive air.
这一餐使整个场合有了近乎节日般的喜庆氛围。

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

return

v. 回来，退还，重现，回报；n. 回来，归还，恢复，利润；

例句
After completing and signing it, please return the form to us in the envelope provided.
填完表格并签名后，请装进所提供的信封里寄还给我们。