1. save sb from sth (doing sth) 使某人免于某事

歌词中唱到this year to save me from tears. 今年为了避免再次流泪伤心。

save sb from sth (doing sth) 使某人免遭某事

英文解释为To liberate or deliver someone from a dangerous or threatening person, thing, place, or situation。

例句：She managed to save the hostages from the gunman without anyone getting hurt.

她成功地从枪手手中解救了人质无人受伤。

2. once bitten twice shy 一朝被蛇咬十年怕井绳

有了last Christmas的糟糕经历，歌者今年对于感情的态度就是once bitten, twice shy

“once bitten, twice shy” 的意思是 “在第一次做某件事情时，有了不愉快的经历，因此第二次再做时会害怕、小心或忧虑”，类似于汉语里说的 “一朝被蛇咬，十年怕井绳”。

例句：Since Debbie broke up with her boyfriend, she’s become very cautious about starting a new relationship. It’s a case of once bitten, twice shy.
自从黛比和男友分手之后，对于开展新的恋情就变得很犹豫。真是一朝被蛇咬，十年怕井绳。