To know something very well
Connaître quelque chose sur le bout des doigts (konetre kelk shoz syr le bou de dwa)
"She knows the syllabus inside out."
"Elle connaît le programme sur le bout des doigts." (el konet le program syr le bou de dwa)
to begin to take effect
to become difficult to control
Going from a bad situation to an even worse one.
very kind and generous
to learn from an unpleasant experience so as not to repeat i...
to start something that causes many unexpected problems