meet by chance(unexpected encounter)

at all costs(at any cost)

to continue to study even in old age(Live and learn.)

drive others too hard(press others too hard)

Not know what to say

Handle affairs justly

with a snub nose and a wry mouth (a very ugly face)

Help bad people to do evil things

To take the easy way

not speak(keep silent)

not to have a feather to fly with(with one's fingers in one's mouth)

White headed without success

Live a long life

act without self-respect(behave ungentlemanly)

lamentations fill the roads (idiom); severe suffering all around

No one can argue it away.

Thanks in a glass of water

Pursue good fortune and avoid disaster

book worship(bookishness)

Changing customs