No longer trendy or popular
Nicht mehr modern oder beliebt (nicht mehr modern oder beliebt)
"Those jeans went out of fashion years ago."
"Diese Jeans sind seit Jahren nicht mehr modern." (dize jeans sind zait yaren nicht mehr modern)
to continue loving someone who doesn’t love you back
to protect your computer system or network from attacks
To know something very well
to aim for something very ambitious
A small-scale experiment to test a concept.
to start life poor but become rich through hard work