have a grip on (something)

1. Literally, to have a strong physical hold on something. In order to remove the bolt, you'll need to have a grip on the wrench.

2. By extension, to have control of something. The generals project that they can have a grip on the region in six months, but I think that's a conservative estimate—the area will be under our control in weeks, by my reckoning.

3. To have a newfound understanding of a topic or concept. The teacher spent extra time going over the material in class because she wanted her students to have a grip on the subject matter before they took the exam.

词组	have a grip on (something)
释义	have a grip on (something) have a grip on (something) 1. Literally, to have a strong physical hold on something. In order to remove the bolt, you'll need to have a grip on the wrench. 2. By extension, to have control of something. The generals project that they can have a grip on the region in six months, but I think that's a conservative estimate—the area will be under our control in weeks, by my reckoning. 3. To have a newfound understanding of a topic or concept. The teacher spent extra time going over the material in class because she wanted her students to have a grip on the subject matter before they took the exam. See also: grip, have, on Farlex Dictionary of Idioms. See also: get a grip get a grip on something grip on (something) a grip on (something) monkey wrench have a firm grip on (someone or something) bolt down lose (one's) grip on (someone or something) lose one’s grip wrench out
随便看	nearly nearly fall off (one's) chair nearly fall out of (one's) chair nearly jump out of (one's) skin near miss near post near the knuckle near the mark near the wind near thing near to hand near to impossible near to (one's) heart near to one's heart neat neat as a bandbox neat as a new pin neat as a pin neato neato canito neb nebbish ne bis in idem Nebraska sign necessary