ph.
1. 向…逼近；冲向
If someone or something bears down on you, they move quickly towards you in a threatening way.
2. 用力下压；使劲往下推
To bear down on something means to push or press downwards with steady pressure.
1. exert a force or cause a strain upon
e.g. This tax bears down on the lower middle class
2. pay special attention to
e.g. The lectures bore down on the political background
3. exert full strength
e.g. The pitcher bore down
4. to make a rush at or sudden attack upon, as in battle
e.g. he saw Jess charging at him with a pitchfork
Synonym: charge
5. contract the abdominal muscles during childbirth to ease delivery
Synonym: overbear
6. exert a force with a heavy weight
e.g. The snow bore down on the roof