その時では遅すぎるでしょう。

that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...

time; hour; moment; occasion; case; chance; opportunity; season; the times; the age; the day; tense

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

slow; late (e.g. "late at night"); too late; dull; stupid

death