ADJ
big, generous, great, huge, large, thick
considerable, fair, significant, sizeable, substantial
A substantial slice of her salary goes toward paying off student loans.
small, thin | cheese, lemon, pizza, etc.
VERB + SLICE
cut
He cut a slice of bread for breakfast this morning.
PREP
in ~s
The baker cut the bread in slices for the sandwich shop.
~ of
Every morning she enjoys a slice of fresh bread with butter and jam.
PHRASES
cut sth into slices
I need to cut the bread into thin slices for the sandwiches.
ADV
finely, thinly
The chef finely sliced the onions for the soup.
thickly | neatly
off, up
The baker sliced off a piece of the warm bread for the customer.
PREP
into
The sharp knife sliced into the ripe watermelon with ease.
off
She carefully sliced off a thick piece of bread for the sandwich.
through
A sharp blade sliced through the warm bread, creating perfect golden slices.
PHRASES
slice sth in half/two
She sliced the cake in half so that everyone could have an equal piece.