1.b> ; to do smth. once ; I have been there once ; once a year [every day] [] ; once more ;
2.b> , ; ; he once went round the world / ; there once lived a man ; I was very fond of him once ;
3.b> .i> , ; I hope to go there once , ;
4.b> . .i> : for once , , ; do it but this once , ; once is enough for me / ;
5.b> . .i> .i> , ; , ; my once friend ;
all at onceb> ) , ; , ; ) , ; at onceb> ) , ; , ; ) , ; ; once in a wayb> , ; ; for once in a way take some slight interest in the family / ; (every) once in a whileb> , ; , ; not onceb> .i> notr> 5; once again, once moreb> ; once and againb> ) , , ; ) , ; once and for allb> ) ; ) .i> , ; once or twiceb> -, ; once upon a timeb> , ; ( i>); once bit, twice shyb> .i> ; ; .