few and far between

Few and far between (to be rare) — немногочисленные и встречающиеся редко; ≅ днем с огнем не найти; днем с огнем не сыскать

Example 1: Jobs are few and far between at the moment (LDOCE).

Example 2: Such people exist, but few and far between (sms).

Example 3: Fellows like him are few and far between.’ Таких, как он, в наше время днем с огнем не сыщешь.

Example 4: Almost as much as people falsely believe teenagers are terrible, people falsely believe that adolescence (and especially childhood) is the best time of a person's life, when worries are few and far between.

see also
[днем с огнем]