She has always been a true friend, supporting me through thick and thin.
tried and proven
Frequency:
45
%
The product is tried and proven to deliver results.
Idiomatic Expressions for tried and true
Phrase: stick to the tried and true
Meaning: to rely on what has been proven to work rather than trying something new or untested
Usage: When it comes to investing, it's best to stick to the tried and true strategies.