r. from this time forth; from now on
adv. 自此以后, 今后
1. The rules will be enforced henceforth.
这些规则从今往后将被执行。
2. Henceforth, we will meet every Friday.
从今往后,我们将每周五见面。
3. She decided to study harder henceforth.
她决定从今往后更加努力学习。