someone or something so good that it’s difficult to replace
あまりにも良すぎて、置き換えるのが難しい人や物
"The previous manager was a hard act to follow."
"前のマネージャーはhard act to followでした。"
to identify and fix errors or problems in a computer program
something that makes you think seriously
to investigate or examine something
To be informed about something regularly.
To begin a new project or initiative.
no matter what happens; in any weather or situation
