We slogged on with the digging until it grew dark .

我们吃力地继续挖着，直到天黑。

She slogged her way through four piles of ironing .

她辛辛苦苦一连熨了四堆衣服。

He slogged through the mud .

他吃力地利泥泞中跋涉。

I slogged my guts out for those exams .

我为了这些考试命都豁出去了。

I slogged my way through the first 200 pages before finally abandoning it .

我理头苦读了前200页后终于放弃了。