Meanings

expert

job (work) training (for the unskilled)

trainer aircraft

lack of training

training school

practice game

student

exercises

sweetened condensed milk

emergency surfacing drill (submarine)

night landing practice

not knowing when to let go (give up, etc.)

useless book learning

regret and sympathy

stiff consistency

mustard paste

practice by repetition

(incense) pastille

proficiency

dexterous feat