hidden depths

usually admirable but previously unnoticed qualities of a person

內(nèi)秀

solo spots reveal hidden depths.

插演（或插播）的獨奏（或獨唱）小節(jié)目往往會顯露出不為人知的內(nèi)秀。

in depth

in great detail; comprehensively and thoroughly

詳細(xì)地，全面地，深入地。 參見 in-depth

research students pursue a specific aspect of a subject in depth.

研究生對課題的某一特定方面進(jìn)行深入研究。

out of one's depth

in water too deep to stand in

在深水區(qū)