tā men liǎ / shì / duō nián / de / péng yǒu / bǐ cǐ / gān dǎn xiāng zhào / cóng bù / yǐn mán

他们俩是多年的朋友，彼此肝胆相照，从不隐瞒。

The two of them have been friends for many years, treating each other with absolute sincerity and never hiding anything.