to(-)night

1.该说I shall see him to(-)night，不可在to(-)night前面加上on。

2.to(-)night有时指全夜，如I hope to sleep better to(-)night，有时指就寝以前，如I am going to a meeting to(-)night。

3.to(-)night在记事里有时指上文说起过的那一夜。例如：She could not to(-)night concentrate her mind.