Usage of the character 繫

to connect
to arrest
to worry

jì

系

[繫]

to tie
to fasten
to button up

wéixì

维系

[維繫]

to maintain
to keep up
to hold together

xièxì

械系

[械繫]

to arrest and shackle
to clap in irons

liánxì

联系

[聯繫]

connection
contact
relation
to get in touch with
to integrate
to link
to touch

jìbó

系泊

[繫泊]

to moor

xìfàng

系放

[繫放]

to tag (an animal, for scientific research); to band (a bird)

xìqiú

系囚

[繫囚]

prisoner

liánxì

连系

[連繫]

to link
to connect

pǐnxì

品系

[品繫]

strain (of a species)

xìdài

系带

[繫帶]

(anatomy) frenulum

jìshang

系上

[繫上]

to tie on
to buckle up
to fasten

liánxìrén

联系人

[聯繫人]

contact (person)

yǒuliánxì

有联系

[有聯繫]

to be connected
to be related

liánxìcí

连系词

[連繫詞]

copula (linguistics)

jiělíngxìlíng

解铃系铃

[解鈴繫鈴]

see 解鈴還須繫鈴人／解铃还须系铃人 (jiělíngháixūxìlíngrén)

hùxiāngliánxì

互相联系

[互相聯繫]

mutually related
interconnected

liánxìfāngshì

联系方式

[聯繫方式]

contact details

jiělíngháixūxìlíngrén

解铃还须系铃人

[解鈴還須繫鈴人]

lit. whoever hung the bell on the tiger's neck must untie it (idiom)
fig. whoever started the trouble should end it

jiělíngháixūxìlíngrén

解铃还需系铃人

[解鈴還需繫鈴人]

variant of 解鈴還須繫鈴人／解铃还须系铃人 (jiělíngháixūxìlíngrén)