If you ~, you make an effort to remember things that happened to you in the past.
I thought back to the time in 1975 when my son was desperately ill...
Thinking back, I don’t know how I had the courage.
= look back
PHRASAL VERB: V P prep, V P
If you ~, you make an effort to remember things that happened to you in the past.
I thought back to the time in 1975 when my son was desperately ill...
Thinking back, I don’t know how I had the courage.
= look back
PHRASAL VERB: V P prep, V P
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012