Trust us, if we like you, the flirting signals will be clear, and we'll probably drop some very obvious hints and say how we feel. (welovedates.com)
Some cats give obvious hints when they are going to deliver, others give none. (cfa.org)
One of the most obvious hints of physics beyond the Standard Model is the overwhelming evidence for the existence of dark matter in the cosmos. (discovermagazine.com)