I was knee-deep in work.

我当时工作缠身。

《牛津词典》

Our love is so strong and so deep I know it will last.

我们的爱是如此强烈是那么深我知道我对你的爱将会持续一生。

youdao

I have so many friends, but deep down, underneath, I have a fear of loneliness.

我有这么多朋友，但是内心深处我还是有一种对孤独的恐惧。

《柯林斯英汉双解大词典》

Deep in my heart I hated him, but I never said or did anything that showed him how I really felt.

VOA: special.2009.02.07

I was neither at the hot gates Nor fought in the warm rain Nor knee deep in the salt marsh, heaving a cutlass, Bitten by flies, fought.

我未曾到过火热的城门,也未曾在暖雨中作战,更未曾在没膝的盐沼里挥舞弯刀，挨着飞蝇的叮咬，苦战。

耶鲁公开课 - 1945年后的美国小说课程节选

These constitute two irreconcilable alternatives, two different callings, so to speak, and any attempt, I think, to reconcile or to synthesize these two can only lead to a deep injustice to each.

这包含了两种无法调和的准则，两种不同的召唤，可以说任何想要，调和或综合两者的意图,仅会导致双方皆产生深度的不义。

耶鲁公开课 - 政治哲学导论课程节选

It is so deep I can simply walk up the snow bank on to the roof.

BBC: Tackling northern Japan's record snow

"The big entrances, the stadiums, that is me and I know deep down I'll be a world champion, " DeGale told BBC Sport.

BBC: Olympic champion DeGale turns pro

However, deep down I knew I lacked the patience to drive so slow and smoothly on the regular.

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