very content and comfortable
非常满足和舒适 (feichang manzu he shushi)
"She looked happy as a clam on her vacation."
"她在度假时看起来非常开心。" (ta zai dujia shi kan qilai feichang kaixin)
a small sign that something good might happen
something or someone that looks pitiful or regrettable
to become mentally unstable or extremely upset
to gain initial experience in a particular area or job
to reach a point where one is physically or mentally exhaust...
to miss an opportunity