tick over

to tick over - keep something going at a minimum level

tide over

to tide over - support, usually money, to keep going through a difficult period

tie the knot

to tie the knot - get married

time and again

time and (time) again - when things happen frequently

time warp

a time warp - an illusion of time standing still

tinker with

try and fix or improve something

tinsel

tinsel - decoration made of thin metallic strips

tip of the iceberg

the tip of the iceberg - The part of the problem that is known. There may be more and worse to come

tip of the iceberg

a problem identified is only a small and visible part of a much bigger problem

tipping point

the point at which something changes dramatically