person's secrets
... not to divulge all one's trade secrets 留一手 person's secrets 包袱底儿; 包袱底儿 plant secretions 植物分泌物 ...
most precious family possession
... most precious asset 至宝; 至宝 most precious family possession 包袱底儿; 包袱底儿 most probably 八成 ...
one's best performance
包袱底儿 one's best performance; most precious family possession; family heirloom; person's secrets 尺寸调整底框 size grip 地底 underground; subterranea...
family heirloom
包袱底儿 one's best performance; most precious family possession; family heirloom; person's secrets 尺寸调整底框 size grip 地底 underground; subterranean ..
bāo fú dǐ ér 〈方〉 ①指家庭多年不动用的或最贵重的东西。 ②比喻隐私:抖~。 ③比喻最拿手的本领:抖搂~(显示绝技)。