agility - ability to move quickly and easily

ape - an animal similar to a monkey without a tale

ascent - climbing up, moving up

assessment - judgment you make

bolt - a kind of screw with a flat head

boundary - a limit of what is acceptable or thought to be possible

brake - any vise vehicle move slowly or stopped

confines - limits or boarders

crag - high and steep rock

descent - going down

drill - a tool for making holes in sth

harness - a set of bands used to hold someone in place and protect them from falling

harsh - cruel, unkind

intricate - containing many small parts or details that fit together

lush - growing many leaves that look healthy and strong

nettle - a wild plant with rough leaves that sting you and leave red marks on your skin

novice - beginner, having no experience

obstacle - an object that blocks your way, that you must go around it

playpen - a closed area in which small child can play safely

poacher - someone who illegally catches or shoots animals

pram - a baby carriage, a small vehicle for a baby

preconceived - formed before you have enough knowledge or experience

prickly - covered with thin, sharp points

primate - a member of the group of the animals that includes humans and monkey

prior to - before

quarry - a place where stones are dug out of the ground

readable - interesting and enjoyable to read

solely - only

spell - a short period of an activity

stamina - physical or mental strength that let you do sth for a long period of time without getting tired

thorn - a sharp point which grows on a steam of a plant

to be intent on doing sth - to do sth or achieve sth

to be short on sth - to have less of sth than you should have

to bounce - to jump or move up and down quickly

to catch on - to become popular and fashionable

to fall short - to fail, to reach a satisfactory standard or be good enough

to get out and about - to go or travel to different places

to knock on the head - to stop sth happening

to reckon - to think or suppose sth

toddler - a child who's learning to walk

wary - careful because you think sth is dangerous or harmful

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