1
general::
Phrase(s): a (good) grasp of something
Go to a (solid) grasp of something., Phrase(s): *a (solid) grasp of something [and] *a (sound) grasp of something; *a (good) grasp of something
Fig. a firm understanding of something. (*Typically: get ~; have ~; give someone ~.) • Try to get a grasp of the basic rules. • You don’t have a good grasp of the principles yet. • John was unable to get a solid grasp of the methods used in his work, and we had to let him go., Phrase(s): a (sound) grasp of something
Go to a (solid) grasp of something.
McGrawhill's American Idioms And Phrasal Verbs