go off on a tangent

US /ɡoʊ ɔf ɑn ə ˈtæn.dʒənt/
UK /ɡoʊ ɔf ɑn ə ˈtæn.dʒənt/
"go off on a tangent" picture
1.

menyimpang dari topik, melenceng

to suddenly start talking or thinking about a different subject from the one you were originally discussing

:
The professor tends to go off on a tangent during his lectures, making them hard to follow.
Profesor cenderung menyimpang dari topik selama kuliahnya, membuatnya sulit diikuti.
We were discussing the budget, but then he suddenly went off on a tangent about his vacation plans.
Kami sedang membahas anggaran, tetapi kemudian dia tiba-tiba menyimpang dari topik tentang rencana liburannya.