to have the way (also ways): (with to and infinitive) to know how to go about something, or achieve a desired result; to have the knack or skill of…

to know what something is: to be conscious of what something implies or may involve; (hence) to have had experience of something. Usually with…

transitive (in passive). To be experienced or skilled through practice; to be skilled, versed, or proficient in; (formerly also) †to be accustomed or…

With infinitive: To know how to do something. Also with how. Now archaic.

to be one's craftsmaster and variants: to be highly skilled or proficient at a specified craft or other activity; to be an expert. Obsolete.

to know the ropes: be experienced in or familiar with some customary action, practice, etc. Also in to learn (also understand) the ropes. Hence to sh…

figurative with around or about as an adverb: to be experienced in the ways of the world, be worldly-wise; to have a shrewdness born of experience.

to bendor lean over backwards(s) (figurative), to go to the opposite extreme (in order to avoid a possible bias, etc.); to go almost too far in…

transferred and figurative in non-physical senses. to know one's stuff: to be experienced or knowledgeable in one's subject, profession, etc. collo…