very close and intimate friends
非常亲密和亲切的朋友 (fēicháng qīnmì hé qīnqiè de péngyǒu)
"They have been bosom friends since childhood."
"他们从小就是非常亲密的朋友。" (Tāmen cóng xiǎo jiù yīzhí shì fēicháng qīnmì de péngyǒu.)
to trust your own abilities and decisions
to be extremely excited or surprised
to stay focused on your goal or objective despite obstacles
Emotional pain will lessen with time.
to remember something important
a period when stock prices are falling