feel no shame before God

Be bold - dà dǎn bāo shēn

In ancient times - chéng nián gǔ dài

Open your mouth - kāi kǒu jiàn xīn

insignificant - fù bèi zhī máo

walk in the dark and touch blindly - míng xíng máng suǒ

insipid - wèi tóng jiáo cù

be credulous - jiàn fēng shì yǔ

go into boiling water and walk through fire and water - fù tāng dǎo huǒ

in an awkward position - bù gān bù gà

afford much food for thought - nài rén xún wèi