to detect at an early stage
Verb
to make a reconnaissance
Verb
to reconnoitre the grounds
Verb
to fiddle over a job
Verb
to find the secret of doing sth
Verb
to be up to one's tricks
Verb
to come upon something
Verb
to strike on something
Verb
to strike upon something
Verb
to come across something
Verb
to come on something
Verb
(to) reinvent the wheel
Verb
to explore the Arctic region
Verb
to find out the precise facts
Verb