an advertisement (for)
to advertise smth.
to advertise (for)
to announce
an announcement
to be (be left, remain) alive
to give proof
to prove smth.
to prove (to be)
to invent
an inventor
an invention
to lock
a law
to keep (break) the law bitter
at the risk of... risky
to risk smth.
to admit smb.
valuable
value
to master
to be indifferent to
to admit that...
to treat smb., smth.
to treat smb. to smth.
to treat smb. for an illrjess
treatment
a treatment for an illness
to take treatment
friendly (in a friendly way)