亼

ji

gather, assemble

arch., a container and its lid assembled or kept together

[人 (person)] + [一 (one)] = people gathered as one

合

he

to combine/join/fit

assemble [ji] + food bowl [symbol]

the lid and the bowl are joined together to seal the food

答

da

to answer, to reply

bamboo (ji) + join/combine/fit (he)

when in doubt about the deal, join the 'contract' bamboos to get the answer

哈

ha

(the sound of)

laughter; breath

mouth (kou) + join (he)

every mouth likes to join the laughter

拾

shi

pick up, collect

hand (shou) + join (he)

hands collects pieces to put in the box

纟

si

给

gei

to give; for, to 

for (the benefit of)

to supply/provide

thread [si] + join/combine (he)

silk, carefully wrapped together, given as a gift