This is the 1710th most frequent Japanese word.
だいたい
"だいたい" means "approximately" or "roughly."
Here, 'だいたい' is used to express frequency or a typical occurrence, indicating that the speaker usually eats sandwiches for lunch.
私は昼食にだいたいサンドイッチを食べます。
I usually eat sandwiches for lunch.
In this sentence, 'だいたい' is used to denote an approximate duration or measurement, providing an estimate of the time it takes.
ここから駅までだいたい10分です。
It takes approximately 10 minutes from here to the station.
The usage of 'だいたい' here conveys the idea of generality or overall understanding, indicating that the speaker comprehends the main idea or concept fairly well.