quiet or calm people often have deep thoughts or emotions
тихие или спокойные люди часто имеют глубокие мысли или эмоции (tikhie ili spokoynie lyudi chasto imeyut glubokie mysli ili emotsii)
"He may seem quiet, but remember, still waters run deep."
"Он может казаться тихим, но помни, в тихом омуте черти водятся." (on mozhet kazatsa tikhim no pomni v tikhom omute cherti vodyatsa)
to reserve something for a particular purpose
comparable in quality or ability
to hope for good luck
a kind and reliable person
to give an opinion in a discussion
Don’t take on more responsibility than you can handle.