it’s a small world	said to show your suprise that people or event in different places are connected
in a small way	to a small expentancy or degree
in no small way	to a great degree; largely or mostly
in some small way	w niewielkim stopniu / w taki (okrojony) sposób
with a small „c” etc.	used for saying that sth is more general or less extreme rather than the usunal meaning
small change	mała zmiana
small hours	the early hours in the morning
the small screen	television, especially when compared with cinema
small talk	uprzejma rozmowa o nieistotnych sprawach
have a thin skin	to be very sensistive to criticism or insults
be skating on thin ice	to be doing sth that is dangerous or involves risks
out of thin air	from nothing
into thin air	w powietrze (zniknąć w powietrze)
from thin air	z nikąd
be thin on the ground	to exist only in small numbers or amounts
be thin on top	to have lost some of the hair on your head
be weak at the knees	mieć uginające się kolana
weak on	słaby w
on weak ground	na słabym gruncie \ na słabej pozycji
weak argument	słaby argument
weak point/spot	słaby punkt
weak-willed	not having a determination that is needed to continue with a difficult course of action