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| rarely if ever (Alexander Demidov); in very rare cases (ART Vancouver); once in a lifetime (used to describe something special that is not likely to happen to you again • An opportunity like this comes once in a lifetime. OALD Alexander Demidov) | |||
| seldom or never (igisheva) | |||
| every Preston Guild (Leviathan) | |||
| rarely (ssn); only rarely (ssn) | |||
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| exceedingly rare (Although some detectives are also registered CSIs, this is exceedingly rare in actual life. 4uzhoj) | |||
| extremely rare (о книге); impossible to find (о книге) | |||
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| once-in-a-lifetime (возможность; idiom Val_Ships) | |||
| крайне редко: 9 a las frases, 9 temas |
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