to catch your foot on something and fall or almost fall
to trip
to understand a particular fact or situation
to realise
not done, seen, happening, etc. very often
rare
the act of listening to, looking at or thinking about something/somebody carefully; interest that people show in somebody/something
attention
to cause physical pain to somebody/yourself; to injure somebody/yourself
to hurt
an unpleasant event, especially in a vehicle, that happens unexpectedly and causes injury or damage
accident
not made or caused by humans
natural
the part of a vehicle that produces power to make the vehicle move
engine
different from what is common or normal
unusual
a spoken or written request to somebody to do something or to go somewhere
invitation
sincere about something; not joking or meant as a joke
serious
a wound caused by something sharp
cut
a blue, brown or purple mark that appears on the skin after somebody has fallen, been hit, etc.
bruise
a medicine or medical treatment for an illness
cure
harm done to a person’s or an animal’s body, for example in an accident
injury
to see or hear somebody/something; to become aware of somebody/something
to notice
an illness that causes a part of the body to stop functioning correctly
disorder
an outdoor area where children can play, especially at a school or in a park
playground
the state that something is in
condition
in a way that is easy to understand
simply
the layer that covers the body
skin
a movement or sound that you make to give somebody information, instructions, a warning, etc.
signal
in a short time from now
soon
a statement, an event, etc. telling somebody that something bad or unpleasant may happen in the future so that they can try to avoid it
warning